A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for steam turbines
NSN 5835-00-494-8419
NSN 2925-01-350-8372
NSN 5945-00-983-5984
NSN 5960-01-391-4701
NSN 5935-00-966-2803
NSN 6220-01-049-4536
NSN 6130-01-445-5878
NSN 5935-01-463-8645
NSN 6220-01-453-6330
NSN 6135-01-273-1253
NSN 5895-01-376-0163
NSN 6105-01-134-5499